If it's advisable to never share own problems with others as sages say that majority don't care, then it's more sensible to never brag of own achievements as their attitude is likely to remain the same.
AnujThe reputation is not essentially built by earning too much, learning too many things, achieving awards, bagging rewards or catapulting position to the hilt; but by unquestionably staying simple, humble , well grounded and doing nothing that makes own conscience to feel guilt.
Anuj